CN117404738B - Be applied to positive negative pressure operating room with modularization auto-change over device - Google Patents

Be applied to positive negative pressure operating room with modularization auto-change over device Download PDF

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Publication number
CN117404738B
CN117404738B CN202311710446.9A CN202311710446A CN117404738B CN 117404738 B CN117404738 B CN 117404738B CN 202311710446 A CN202311710446 A CN 202311710446A CN 117404738 B CN117404738 B CN 117404738B
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CN
China
Prior art keywords
pipe
modularized
operating room
negative pressure
electric control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202311710446.9A
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Chinese (zh)
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CN117404738A (en
Inventor
边春生
厉洪亚
蒋艳明
吕威
李剑
王颖
李修志
李斌
张永强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Panasia Medical Technology Group Co Ltd
Original Assignee
Jiangsu Panasia Medical Technology Group Co Ltd
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Priority to CN202311710446.9A priority Critical patent/CN117404738B/en
Publication of CN117404738A publication Critical patent/CN117404738A/en
Application granted granted Critical
Publication of CN117404738B publication Critical patent/CN117404738B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/078—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser combined with lighting fixtures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
    • F24F2011/0004—Control or safety arrangements for ventilation for admittance of outside air to create overpressure in a room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
    • F24F2011/0005—Control or safety arrangements for ventilation for admittance of outside air to create underpressure in a room, keeping contamination inside
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

The invention relates to the technical field of positive and negative pressure operating room switching, in particular to a modularized switching device applied to a positive and negative pressure operating room. The modularized switching device for the positive and negative pressure operating room is characterized in that the modularized main guide pipe with the T-shaped structure is adopted to communicate the main air pipe with the branch air pipe, the modularized auxiliary guide pipe with the T-shaped structure is fixedly assembled on the branch air pipe, and the modularized switching device is arranged in a modularized manner, so that equipment can be conveniently assembled on the existing ventilating pipeline, and the modularized switching device is simple and convenient to operate and convenient to popularize; through set up automatically controlled guiding device in the outside kuppe of modularization leading flow tube inside, the automatically controlled start-stop valve of sinking on the cooperation modularization leading flow tube inner wall can the inside air flow direction of quick switch branch air pipe to the inside positive negative pressure state of operating room is changed fast, and the suitability is more extensive.

Description

Be applied to positive negative pressure operating room with modularization auto-change over device
Technical Field
The invention relates to the technical field of switching of positive and negative pressure operating rooms, in particular to a modularized switching device applied to a positive and negative pressure operating room.
Background
A positive pressure clean operating room is an operating room in which the relative pressure in the operating room is greater than the pressure in the adjacent room and has a level of cleanliness. Its protection object is mainly operation patient. The negative pressure operating room is typically an operating room without a level of cleanliness. The relative pressure in the operating room is less than the relative pressure in the adjacent room. Its protecting object is mainly medical staff and surrounding environment. The air outlet of the negative pressure operating room is arranged at one side of the lower end of the inner side wall of the operating room, which is close to the head of the patient and the anesthesia working area at the top.
At present, positive pressure and negative pressure operating rooms on the market adopt a fixed design mode, and cannot be rapidly switched according to needs, so that the applicable scene of the operating room is single, the switching difficulty is high, the pressure of the air ports at different positions cannot be monitored in the use process, and the air flow flux stability cannot be maintained.
Disclosure of Invention
The invention aims to solve the technical problems that: at present, positive pressure and negative pressure operating rooms on the market cannot be rapidly switched according to needs, so that the applicable scene of the operating room is single, the switching difficulty is high, the pressure of the air ports at different positions cannot be monitored in the using process, and the air flow flux stability cannot be maintained.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a be applied to modularization auto-change over device for positive negative pressure operating room, includes the main tuber pipe of installing in the positive negative pressure operating room outside and installs the branch air pipe at positive negative pressure operating room top, the modularization leading flow tube of T font structure is installed to fixed mounting between main tuber pipe and the branch air pipe, the modularization leading flow tube lateral surface is located contained angle position and fixedly assembled with outside kuppe, outside kuppe internally mounted has the automatically controlled guiding device that is used for controlling air flow state, install on the modularization leading flow tube inner wall with automatically controlled guiding device matched with automatically controlled start and stop valve of sinking, the modularization auxiliary flow tube of T font structure is installed to fixed being equipped with on the branch air pipe, automatically controlled lift housing is installed to modularization auxiliary flow tube lower extreme open position, automatically controlled lift housing lower surface edge position installs the pressure monitoring module that is used for detecting inside air pressure.
The outer air guide sleeve comprises an outer shell fixed at the outer side included angle position of the modularized main air guide pipe, a first exhaust pipe fixed at the upper end of the outer shell and communicated with the interior of the main air pipe, and a second exhaust pipe fixed at the lower end of the outer shell and communicated with the interior of the branch air pipe.
The electric control type lifting housing comprises electric control supporting rods symmetrically arranged on inner walls of two sides of the modularized auxiliary diversion pipe, a bottom lifting type closing plate fixed at the bottom of a telescopic rod at the lower end of each electric control supporting rod, a bottom lampshade fixed on the lower surface of the bottom lifting type closing plate and an LED panel lamp arranged inside the bottom lampshade.
The edge of the connecting surface of the bottom lifting type closing plate and the bottom lampshade is provided with a lateral monitoring groove for installing a pressure monitoring module.
The side wall of the connecting end of the modularized leading flow pipe and the main air pipe is provided with a first sinking type internal diversion hole for installing the sinking type electric control on-off valve, and the side wall of the connecting end of the modularized leading flow pipe and the branch air pipe is provided with a second sinking type internal diversion hole for installing the sinking type electric control on-off valve.
The first exhaust pipe and the second exhaust pipe are composed of a first arc-shaped guide pipe fixed on the outer side face of the modularized main guide pipe, a second arc-shaped guide pipe fixed on the outer side face of the outer shell and a detachable middle-arranged filter pipe arranged between the first arc-shaped guide pipe and the second arc-shaped guide pipe.
The detachable middle-mounted filter pipe is respectively assembled and fixed with the first arc-shaped guide pipe and the second arc-shaped guide pipe through internal thread locking pipes at two ends of the outer side.
The detachable middle-mounted filter tube is internally fixed with a middle-mounted cylinder, and a replaceable filter element for filtering internal impurities is mounted in the middle-mounted cylinder.
The inner side of the modularized main guide pipe is fixedly provided with a pressure monitoring switch at the end communicated with the branch air pipe.
The sinking type electric control opening and closing valve comprises a turnover type closing cover plate movably assembled in the first sinking type inner diversion hole and the second sinking type inner diversion hole through the lateral rotating shaft and an electric control angle adjusting stay bar arranged between the modularized main diversion pipe and the turnover type closing cover plate.
The beneficial effects of the invention are as follows:
(1) The modularized switching device for the positive and negative pressure operating room is characterized in that the modularized main guide pipe with the T-shaped structure is adopted to communicate the main air pipe with the branch air pipe, the modularized auxiliary guide pipe with the T-shaped structure is fixedly assembled on the branch air pipe, and the modularized switching device is arranged in a modularized manner, so that equipment can be conveniently assembled on the existing ventilating pipeline, and the modularized switching device is simple and convenient to operate and convenient to popularize;
(2) The electric control flow guiding device is arranged in the outer flow guiding cover of the modularized main flow guiding pipe, and the sinking electric control on-off valve on the inner wall of the modularized main flow guiding pipe is matched, so that the air flow direction in the branch air pipe can be rapidly switched, the positive and negative pressure state in an operating room can be rapidly changed, and the device can be suitable for different operating environments and is wider in applicability;
(3) The electric control flow guiding device is installed through the external flow guiding cover, so that the safety and the stability are more excellent, and noise can be reduced;
(4) An electric control type lifting cover shell is arranged at the opening position of the lower end of the modularized auxiliary flow guide pipe, and a pressure monitoring module for detecting the internal air pressure is arranged at the edge position of the lower surface of the electric control type lifting cover shell, so that the opening size of the lower end of the modularized auxiliary flow guide pipe is automatically adjusted according to the pressure difference of different positions, the consistency of the air pressure changes of different positions is ensured, and the stability of the internal pressure is ensured;
(5) The electric control type lifting cover shell is arranged at the opening position of the lower end of the modularized auxiliary diversion pipe, so that the number and the positions of the air ports can be adjusted according to the needs, and the operation is more convenient;
(6) By adopting the design of the replaceable filter element, the filter element is convenient to maintain and replace in the later period;
(7) The electric control type lifting cover shell and the LED flat lamp are integrated, so that the integrity of the whole operating room can be improved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the modular dominant flow tube of the present invention in an assembled state.
FIG. 3 is a schematic view of the internal structure of the first exhaust pipe in the present invention.
Fig. 4 is a schematic view of the internal structure of the modularized auxiliary guide pipe in the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The modularized switching device for the positive and negative pressure operating room comprises a main air pipe 1 arranged on the outer side of the positive and negative pressure operating room and a branch air pipe 2 arranged on the top of the positive and negative pressure operating room, wherein a modularized main air pipe 3 with a T-shaped structure is fixedly arranged between the main air pipe 1 and the branch air pipe 2, an outer guide cover 4 is fixedly assembled on the outer side surface of the modularized main air pipe 3 at an included angle position, an electric control guide device 5 for controlling the air flow state is arranged in the outer guide cover 4, a sinking type electric control start-stop valve 6 matched with the electric control guide device 5 is arranged on the inner wall of the modularized main air pipe 3, an electric control lifting housing 8 is fixedly assembled on the lower end opening position of the branch air pipe 2, and a pressure monitoring module 9 for detecting the air pressure in the electric control lifting housing 8 is arranged on the edge position of the lower surface of the modularized auxiliary air pipe 7.
The electric control flow guiding device 5 is in the prior art and is composed of an electric control centrifugal fan, and air is sucked in from the upper end or the lower end through rotation and then discharged to the outside.
For cooperation of external diversion and communication, the external diversion cover 4 comprises an external shell 41 fixed at the outer side included angle position of the modularized main diversion pipe 3, a first exhaust pipe 42 fixed at the upper end of the external shell 41 and communicated with the interior of the main air pipe 1, and a second exhaust pipe 43 fixed at the lower end of the external shell 41 and communicated with the interior of the branch air pipe 2.
For cooperation installation and adjustment, the electrically-controlled lifting housing 8 comprises electrically-controlled supporting rods 81 symmetrically installed on the inner walls of two sides of the modularized auxiliary flow guide pipe 7, a bottom lifting type closing plate 82 fixed at the bottom of a telescopic rod at the lower end of the electrically-controlled supporting rods 81, a bottom lampshade 83 fixed on the lower surface of the bottom lifting type closing plate 82 and an LED flat lamp 84 installed inside the bottom lampshade 83.
The electric control stay bar 81 and the LED flat lamp 84 are both in the prior art, the electric control stay bar 81 is used for controlling the lifting of the bottom lifting type closing plate 82, and the LED flat lamp 84 is used for illuminating the inside of the operation room.
In order to cooperate with the monitoring of the pressure in the operating room, the edge of the connecting surface of the bottom elevating closing plate 82 and the bottom lamp cover 83 is provided with a lateral monitoring groove for installing the pressure monitoring module 9.
The pressure monitoring module 9 is in the prior art and is used for monitoring the external pressure in real time so as to adjust the lifting of the electric control stay bar 81, and when the monitoring values of the pressure monitoring modules 9 at different positions are inconsistent in the negative pressure state, the lifting of the bottom lifting type closing plate 82 is controlled by the electric control stay bar 81 to change the size of the opening at the lower end of the modularized auxiliary flow guide pipe 7, so that the air flow is adjusted.
For cooperation installation and control opening and closing, a first sinking type internal diversion hole 101 for installing the sinking type electric control opening and closing valve 6 is formed in the side wall of the connecting end of the modularized main diversion pipe 3 and the main air pipe 1, and a second sinking type internal diversion hole 102 for installing the sinking type electric control opening and closing valve 6 is formed in the side wall of the connecting end of the modularized main diversion pipe 3 and the branch air pipe 2.
The first and second countersunk inner deflector holes 101, 102 on the side walls of the modular main deflector tube 3 communicate with the interior of the outer housing 41.
In order to facilitate filtering of the intake air, the first exhaust tube 42 and the second exhaust tube 43 are each composed of a first arc-shaped guide tube 11 fixed on the outer side surface of the modularized main guide tube 3, a second arc-shaped guide tube 12 fixed on the outer side surface of the outer shell 41, and a detachable middle filter tube 13 installed between the first arc-shaped guide tube 11 and the second arc-shaped guide tube 12.
Wherein the first suction tube 42 and the second suction tube 43 are identical in structure.
In order to facilitate the installation and the disassembly, the detachable centrally-mounted filter tube 13 is respectively in threaded assembly and fixation with the first arc-shaped guide tube 11 and the second arc-shaped guide tube 12 through internal thread locking tubes 14 at the two ends of the outer side.
In order to cooperate with the installation, the disassembly and the filtration, a middle-arranged installation cylinder 15 is fixed inside the detachable middle-arranged filter tube 13, and a replaceable filter element 16 for filtering internal impurities is arranged inside the middle-arranged installation cylinder 15.
The replaceable filter element 16 is a prior art filter that filters dust, impurities and pathogens from the air. The middle-mounted cylinder 15 is provided with an internal air hole communicated with the inside of the replaceable filter element 16, and the arc surface of the outer side of the middle-mounted cylinder 15 is provided with an external air hole communicated with the outer side of the replaceable filter element 16.
In order to cooperate to monitor the wind pressure in the branch air pipe 2, the pressure in different operating rooms is conveniently controlled, and a pressure monitoring switch 17 is fixedly arranged at the end, which is communicated with the branch air pipe 2, of the inner side of the modularized main guide pipe 3.
The pressure monitoring switch 17 comprises a fixed bracket fixed on the inner side surface of the modularized leading flow pipe 3, a mounting panel mounted on the non-fixed end of the fixed bracket and pressure monitoring modules of the prior art assembled on two sides of the mounting panel, and respectively monitors and controls the wind pressure of the inlet air and the outlet air.
In order to cooperate to control the opening and closing of the first or second submerged inner deflector holes 101, 102, the submerged electrically controlled opening and closing valve 6 comprises a flip-type closure flap 61 movably mounted inside the first and second submerged inner deflector holes 101, 102 by means of a lateral rotation shaft and an electrically controlled angle adjusting stay 62 mounted between the modular main deflector tube 3 and the flip-type closure flap 61.
The electronic control angle adjusting stay bar 62 is in the prior art, and controls the turnover type closing cover plate 61 movably connected with the electronic control angle adjusting stay bar to turn over through stretching, so that the first sinking type internal diversion hole 101 or the second sinking type internal diversion hole 102 is opened and closed.
Working principle: the modularized main guide pipe 3 is sleeved between the main air pipe 1 and the branch air pipes 2, then the modularized auxiliary guide pipes 7 are connected with the plurality of branch air pipes 2, so that air inlets can be formed in different ceiling positions of an operating room, then the main air pipe 1 operates normally, when positive pressure adjustment is required to be carried out on the operating room, the electric control guide device 5 is started, the modularized main guide pipe 3 and a second sinking type internal guide hole 102 on the side wall of the connecting end of the branch air pipe 2 are opened, and at the moment, the electric control guide device 5 can suck air in the main air pipe 1 into the branch air pipes 2, and finally the air is discharged into the operating room through the modularized auxiliary guide pipes 7 to form positive pressure; when the negative pressure of the operating room is regulated, the electric control flow guiding device 5 is started, the modularized main flow guiding pipe 3 and the first sinking type internal flow guiding hole 101 on the side wall of the connecting end of the main air pipe 1 are opened, at this time, the electric control flow guiding device 5 can suck the air in the branch air pipe 2 into the main air pipe 1, and the air in the operating room is pumped out through the modularized auxiliary flow guiding pipe 7 to form negative pressure.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.

Claims (6)

1. Be applied to positive negative pressure modularization auto-change over device for operating room, including installing main tuber pipe (1) in the positive negative pressure operating room outside and installing branch air pipe (2) at positive negative pressure operating room top, characterized by: the intelligent air conditioner is characterized in that a modularized leading air pipe (3) with a T-shaped structure is fixedly arranged between the main air pipe (1) and the branch air pipe (2), an outer air guide cover (4) is fixedly assembled at an included angle position of the outer side surface of the modularized leading air pipe (3), an electric control guide device (5) for controlling the air flow state is arranged in the outer air guide cover (4), a sinking type electric control start-stop valve (6) matched with the electric control guide device (5) is arranged on the inner wall of the modularized leading air pipe (3), a modularized auxiliary guide pipe (7) with the T-shaped structure is fixedly assembled on the branch air pipe (2), an electric control lifting cover shell (8) is arranged at the opening position of the lower end of the modularized auxiliary guide pipe (7), and a pressure monitoring module (9) for detecting the air pressure inside is arranged at the edge position of the lower surface of the electric control lifting cover shell (8);
the outer air guide sleeve (4) comprises an outer shell (41) fixed at the outer side included angle position of the modularized main air guide pipe (3), a first exhaust pipe (42) fixed at the upper end of the outer shell (41) and communicated with the interior of the main air pipe (1), and a second exhaust pipe (43) fixed at the lower end of the outer shell (41) and communicated with the interior of the branch air pipe (2);
the electric control lifting housing (8) comprises electric control supporting rods (81) symmetrically arranged on the inner walls of two sides of the modularized auxiliary guide pipe (7), a bottom lifting type closing plate (82) fixed at the bottom of a telescopic rod at the lower end of the electric control supporting rods (81), a bottom lampshade (83) fixed on the lower surface of the bottom lifting type closing plate (82) and an LED flat lamp (84) arranged inside the bottom lampshade (83);
the edge of the connecting surface of the bottom lifting type closing plate (82) and the bottom lampshade (83) is provided with a lateral monitoring groove for installing the pressure monitoring module (9);
the sinking type electric control opening and closing valve (6) comprises a turnover type closing cover plate (61) movably assembled in the first sinking type inner diversion hole (101) and the second sinking type inner diversion hole (102) through a lateral rotating shaft and an electric control angle adjusting stay bar (62) arranged between the modularized main guide pipe (3) and the turnover type closing cover plate (61).
2. The modular switching device for a positive and negative pressure operating room according to claim 1, characterized in that: the side wall of the connecting end of the modularized leading flow pipe (3) and the main air pipe (1) is provided with a first sinking type internal flow guide hole (101) for installing a sinking type electric control opening and closing valve (6), and the side wall of the connecting end of the modularized leading flow pipe (3) and the branch air pipe (2) is provided with a second sinking type internal flow guide hole (102) for installing the sinking type electric control opening and closing valve (6).
3. The modular switching device for a positive and negative pressure operating room according to claim 1, characterized in that: the first exhaust pipe (42) and the second exhaust pipe (43) are respectively composed of a first arc-shaped guide pipe (11) fixed on the outer side surface of the modularized main guide pipe (3), a second arc-shaped guide pipe (12) fixed on the outer side surface of the outer shell (41) and a detachable middle filter pipe (13) arranged between the first arc-shaped guide pipe (11) and the second arc-shaped guide pipe (12).
4. A modular switching device for use in a positive and negative pressure operating room according to claim 3, characterized in that: the detachable middle-mounted filter pipe (13) is respectively in threaded assembly and fixation with the first arc-shaped guide pipe (11) and the second arc-shaped guide pipe (12) through internal thread locking pipes (14) at two ends of the outer side.
5. A modular switching device for use in a positive and negative pressure operating room according to claim 3, characterized in that: the detachable middle-mounted filter tube (13) is internally fixed with a middle-mounted mounting cylinder (15), and a replaceable filter element (16) for filtering internal impurities is mounted in the middle-mounted mounting cylinder (15).
6. The modular switching device for a positive and negative pressure operating room according to claim 1, characterized in that: the inner side of the modularized main guide pipe (3) is fixedly provided with a pressure monitoring switch (17) at the end communicated with the branch air pipe (2).
CN202311710446.9A 2023-12-13 2023-12-13 Be applied to positive negative pressure operating room with modularization auto-change over device Active CN117404738B (en)

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CN117404738B true CN117404738B (en) 2024-03-12

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CN111503848A (en) * 2020-04-20 2020-08-07 卢利华 Control method capable of adjusting indoor airflow organization form of residence
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CN114322161A (en) * 2022-01-06 2022-04-12 中国人民解放军总医院 Medical shelter integrating ICU (intensive care unit), negative pressure isolation, oxygen-enriched treatment and positive pressure protection functions
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CN116605401A (en) * 2023-03-27 2023-08-18 江苏科技大学 Ventilating system and ventilating method for isolation cabin regulated to negative pressure

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CN111503848A (en) * 2020-04-20 2020-08-07 卢利华 Control method capable of adjusting indoor airflow organization form of residence
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